Centrally located in Anatolia, Ankara is an important commercial and industrial city. It has been the neural center of the Turkish Government. Ankara is a very old city with various Hittite, Phrygian, Hellenistic, Roman, Byzantine, and Ottoman archaeological sites. The hill which overlooks the city is crowned by the ruins of the old castle, which adds to the picturesqueness of the view, but only a few historic structures surrounding the old citadel have survived to the present day. Ankara: Turkey's capital and second largest city, Ankara lies at the heart of Anatolia. Located in the Central Anatolia Region.